docs: def __get_bundles_data(self):
          """``GET {url}/{serviceInstanceId}/v2/bundles``
  
          Gets a list of bundle IDs.
          """
  
          url = self.__get_base_bundle_url()
          response = self.__perform_rest_call(requestURL=url)
  
          if not response:
              return None
  
          bundlesData = response.get(self.__RESPONSE_BUNDLES_KEY)
  
          return bundlesData